增加0024：两两交换链表中的节点的python的双指针解法#2994
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Dalbergiaman wants to merge 2 commits intoyoungyangyang04:masterfrom
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增加0024：两两交换链表中的节点的python的双指针解法#2994Dalbergiaman wants to merge 2 commits intoyoungyangyang04:masterfrom
Dalbergiaman wants to merge 2 commits intoyoungyangyang04:masterfrom
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Don't wat none of it any.ore please
| ### 虚拟头结点 | ||
| ### 虚拟头节点 | ||
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| 在[链表：听说用虚拟头节点会方便很多？](https://programmercarl.com/0203.移除链表元素.html)中，我们讲解了链表操作中一个非常重要的技巧：虚拟头节点。 |
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增加0024题：两两交换链表的双指针的解法，不需要和原有第二个解法一样使用.next.next.next导致不直观，且简化了循环条件。
链表总结篇.md 虚拟头节点写错了 写成了虚拟头结点